/*
 * Tencent is pleased to support the open source community by making BK-JOB蓝鲸智云作业平台 available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-JOB蓝鲸智云作业平台 is licensed under the MIT License.
 *
 * License for BK-JOB蓝鲸智云作业平台:
 * --------------------------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

package com.tencent.bk.job.common.util.http;

import com.fasterxml.jackson.annotation.JsonProperty;

import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;
import java.net.URLEncoder;

public class BasicHttpReq {

    public String toUrlParams() {
        StringBuilder urlString = new StringBuilder(512);
        char c = '&';
        Class<?> aClass = getClass();
        while (aClass != null) {
            Field[] declaredFields = aClass.getDeclaredFields();
            for (Field field : declaredFields) {
                String key;
                JsonProperty annotation = field.getAnnotation(JsonProperty.class);
                if (annotation != null) {
                    key = annotation.value();
                } else {
                    key = field.getName();
                }
                if (!field.isAccessible()) {
                    field.setAccessible(true);
                    try {
                        Object b = field.get(this);
                        if (b != null) {
                            urlString.append(c).append(key).append('=').append(urlEncode(b.toString()));
                        }
                    } catch (IllegalAccessException ignored) {
                    } finally {
                        field.setAccessible(false);
                    }
                }
            }
            aClass = aClass.getSuperclass();
        }
        if (urlString.toString().length() > 0) {
            return "?" + urlString.toString().substring(1);
        } else {
            return "?";
        }
    }

    private String urlEncode(String str) {
        try {
            return URLEncoder.encode(str, "utf-8");
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("encode failed");
        }
    }
}
